IRHD Hardness: Calculated Results



IRHD Hardness 
The calculation returns the IRHD Hardness in conformity with ISO 48-2 standard. The Hardness is obtained by measuring the indentation of the indentor after the application of the minor force for 5 seconds and the application of the main force for 30 seconds.

REFERENCE STANDARD: ISO 48-2 / ASTM D 1414

UNIT: IRHD points
RESOLUTION: 0.01 IRHD

CALCULATION PARAMETERS:
Test Time: t (the software permits to set even non standard test times)


Angle Coefficient of Hardness Regression line  
The calculation returns the angle of the Regression Line of the Hardness-Vs-Time Curve plot in Logarithmic axes.
The angle coefficient provides usefull information about the visco-elastic behaviour of the sample during the test. Measures performed on the same product can be used to compare the curing level of different samples or technical parts.
The result is obtained automatically during the standard execution of the hardness test.

UNIT: IRHD/sec
RESOLUTION: 0.01 IRHD/sec


Hysteresis 
The measure of the Hysteresis is performed by removing the main force at the end of the test time and measuring the sample recovery after the set test time.
If the sample has a completely elastic behaviour, the recovery will be complete and the hardness reading will be 100 IRHD. The actual reading at the end of the test provides an evaluation of the visco-elastic properties of the sample
The measure can be useful to compare the behaviour of different products.
The measurement time after the removal of the sample can be set in the test procedure.
The Hysteresis test is performed compeltely automatically by the instrument even with instruments performing multiplte tests.

UNIT: IRHD
RESOLUTION: 0.01 IRHD



Gibitre Instruments
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Bergamo (Italy)
te. +39 035 461146
www.gibitre.it
info@gibitre.it

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IRHD Hardness: Test Results

Below you can find the description of the test results produced by Hardness Check software




 
IRHD Hardness 
The calculation returns the IRHD Hardness in conformity with ISO 48-2 standard. The Hardness is obtained by measuring the indentation of the indentor after the application of the minor force for 5 seconds and the application of the main force for 30 seconds.

REFERENCE STANDARD: ISO 48-2 / ASTM D 1414

UNIT: IRHD points
RESOLUTION: 0.01 IRHD

CALCULATION PARAMETERS:
Test Time: t (the software permits to set even non standard test times)

Angle Coefficient of Hardness Regression line  
The calculation returns the angle of the Regression Line of the Hardness-Vs-Time Curve plot in Logarithmic axes.
The angle coefficient provides usefull information about the visco-elastic behaviour of the sample during the test. Measures performed on the same product can be used to compare the curing level of different samples or technical parts.
The result is obtained automatically during the standard execution of the hardness test.

UNIT: IRHD/sec
RESOLUTION: 0.01 IRHD/sec

Hysteresis 
The measure of the Hysteresis is performed by removing the main force at the end of the test time and measuring the sample recovery after the set test time.
If the sample has a completely elastic behaviour, the recovery will be complete and the hardness reading will be 100 IRHD. The actual reading at the end of the test provides an evaluation of the visco-elastic properties of the sample
The measure can be useful to compare the behaviour of different products.
The measurement time after the removal of the sample can be set in the test procedure.
The Hysteresis test is performed compeltely automatically by the instrument even with instruments performing multiplte tests.

UNIT: IRHD
RESOLUTION: 0.01 IRHD

 
 
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